Reagent for the determination of calcium, strontium, barium, sodium, potassium, lithium, silver, chlorine and phosphite. Chromatographic analysis of reference substances. It is also a common solvent and extractant. Used to extract lithium chloride from a mixture of lithium chloride with sodium chloride or potassium chloride. Used in the manufacture of petroleum additives, antioxidants, 2,6-= tert-butyl p-cresol, isobutyl acetate (paint solvent), plasticizer, synthetic rubber, artificial musk; Fruit essential oil and synthetic drugs.